Electric fan



FIG. 1 is a front elevational view of an electric fan showing ourdesign;

FIG. 2 is a right elevational view thereof;

FIG. 3 is a left elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

CLAIM The ornamental design for an electric fan, as shown and described.